CentOS查看GPU显卡信息

一、安装命令工具

# yum install pciutils lshw -y

二、获取显示信息

# lspci | grep -E "VGA|NVIDIA"
03:00.0 VGA compatible controller: Matrox Electronics Systems Ltd. Integrated Matrox G200eW3 Graphics Controller (rev 04)
3b:00.0 3D controller: NVIDIA Corporation GA100 [GRID A100 PCIe 40GB] (rev a1)
d8:00.0 3D controller: NVIDIA Corporation GA100 [GRID A100 PCIe 40GB] (rev a1)

# lshw -C display
  *-display                 
       description: VGA compatible controller
       product: Integrated Matrox G200eW3 Graphics Controller
       vendor: Matrox Electronics Systems Ltd.
       physical id: 0
       bus info: pci@0000:03:00.0
       version: 04
        32 bits
       clock: 66MHz
       capabilities: pm vga_controller bus_master cap_list rom
       configuration: driver=mgag200 latency=0 maxlatency=32 mingnt=16
       resources: irq:16 memory:91000000-91ffffff memory:92808000-9280bfff memory:92000000-927fffff
  *-display
       description: 3D controller
       product: GA100 [GRID A100 PCIe 40GB]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci@0000:3b:00.0
       version: a1
        64 bits
       clock: 33MHz
       capabilities: pm bus_master cap_list
       configuration: driver=nvidia latency=0
       resources: iomemory:38a00-389ff iomemory:38b00-38aff irq:408 memory:ab000000-abffffff memory:38a000000000-38afffffffff memory:38b000000000-38b001ffffff
  *-display
       description: 3D controller
       product: GA100 [GRID A100 PCIe 40GB]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci@0000:d8:00.0
       version: a1
        64 bits
       clock: 33MHz
       capabilities: pm bus_master cap_list
       configuration: driver=nvidia latency=0
       resources: iomemory:39e00-39dff iomemory:39f00-39eff irq:409 memory:ef000000-efffffff memory:39e000000000-39efffffffff memory:39f000000000-39f001ffffff

三、查看驱动信息

# lshw -c video | grep configuration
       configuration: driver=mgag200 latency=0 maxlatency=32 mingnt=16
       configuration: driver=nvidia latency=0
       configuration: driver=nvidia latency=0# modinfo nvidia
filename:       /lib/modules/3.10.0-1160.el7.x86_64/kernel/drivers/video/nvidia.ko
firmware:       nvidia/470.57.02/gsp.bin
alias:          char-major-195-*
version:        470.57.02
supported:      external
license:        NVIDIA
retpoline:      Y
rhelversion:    7.9
srcversion:     00F9E8DEACC0FB98727C03C
alias:          pci:v000010DEd*sv*sd*bc03sc02i00*
alias:          pci:v000010DEd*sv*sd*bc03sc00i00*
depends:        drm
vermagic:       3.10.0-1160.el7.x86_64 SMP mod_unload modversions 
parm:           NvSwitchRegDwords:NvSwitch regkey (charp)
parm:           NvSwitchBlacklist:NvSwitchBlacklist=uuid[,uuid...] (charp)
parm:           NVreg_ResmanDebugLevel:int
parm:           NVreg_RmLogonRC:int
parm:           NVreg_ModifyDeviceFiles:int
parm:           NVreg_DeviceFileUID:int
parm:           NVreg_DeviceFileGID:int
parm:           NVreg_DeviceFileMode:int
parm:           NVreg_InitializeSystemMemoryAllocations:int
parm:           NVreg_UsePageAttributeTable:int
parm:           NVreg_RegisterForACPIEvents:int
parm:           NVreg_EnablePCIeGen3:int
parm:           NVreg_EnableMSI:int
parm:           NVreg_TCEBypassMode:int
parm:           NVreg_EnableStreamMemOPs:int
parm:           NVreg_RestrictProfilingToAdminUsers:int
parm:           NVreg_PreserveVideoMemoryAllocations:int
parm:           NVreg_EnableS0ixPowerManagement:int
parm:           NVreg_S0ixPowerManagementVideoMemoryThreshold:int
parm:           NVreg_DynamicPowerManagement:int
parm:           NVreg_DynamicPowerManagementVideoMemoryThreshold:int
parm:           NVreg_EnableGpuFirmware:int
parm:           NVreg_EnableUserNUMAManagement:int
parm:           NVreg_MemoryPoolSize:int
parm:           NVreg_KMallocHeapMaxSize:int
parm:           NVreg_VMallocHeapMaxSize:int
parm:           NVreg_IgnoreMMIOCheck:int
parm:           NVreg_NvLinkDisable:int
parm:           NVreg_EnablePCIERelaxedOrderingMode:int
parm:           NVreg_RegisterPCIDriver:int
parm:           NVreg_RegistryDwords:charp
parm:           NVreg_RegistryDwordsPerDevice:charp
parm:           NVreg_RmMsg:charp
parm:           NVreg_GpuBlacklist:charp
parm:           NVreg_TemporaryFilePath:charp
parm:           NVreg_ExcludedGpus:charp
parm:           rm_firmware_active:charp

 安装完查看信息

# nvidia-smi 
Mon Oct 25 13:53:02 2021       
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 470.57.02    Driver Version: 470.57.02    CUDA Version: 11.4     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA A100-PCI...  Off  | 00000000:3B:00.0 Off |                    0 |
| N/A   34C    P0    35W / 250W |      0MiB / 40536MiB |      0%      Default |
|                               |                      |             Disabled |
+-------------------------------+----------------------+----------------------+
|   1  NVIDIA A100-PCI...  Off  | 00000000:D8:00.0 Off |                    0 |
| N/A   40C    P0    39W / 250W |      0MiB / 40536MiB |     29%      Default |
|                               |                      |             Disabled |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|  No running processes found                                                 |
+-----------------------------------------------------------------------------+

看到GPU1，没有运行程序一直占用29%，经过查询需要驱动模式设置为常驻内存，默认状态是驱动每次用完都自动卸载的，然后重新加载。

# nvidia-smi -pm 1

# nvidia-smi
Mon Oct 25 13:56:21 2021       
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 470.57.02    Driver Version: 470.57.02    CUDA Version: 11.4     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA A100-PCI...  On   | 00000000:3B:00.0 Off |                    0 |
| N/A   26C    P0    31W / 250W |      0MiB / 40536MiB |      0%      Default |
|                               |                      |             Disabled |
+-------------------------------+----------------------+----------------------+
|   1  NVIDIA A100-PCI...  On   | 00000000:D8:00.0 Off |                    0 |
| N/A   30C    P0    31W / 250W |      0MiB / 40536MiB |      0%      Default |
|                               |                      |             Disabled |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|  No running processes found                                                 |
+-----------------------------------------------------------------------------+